Bell 22W CFL T5 2GX13 Circular Tube Bulb  £10.27

The 05462 22 Watt T5 4 Pin 2GX13 Circular Bulb from Bell Lighting has a 6500K Color temperature (Daylight White), and is an efficient energy-saving bulb tested for up to 16,000 hours of use. 

It comes with a 1750 Lumen output and an energy efficient rating A. A ballast is required to power this lamp however no Transformer or Driver is reqired.

Main Features:
Energy Efficient Bulb
Long 16000 Hour Life
Daylight White Bulb
4-pin 2GX13 Cap Bulb

Technical Specification:
Watts: 22W
Cap Type: 4-Pin 2GX13
Colour Temp: 6500°K (Daylight White)
Lumen Output: 1750
Burn Hours: 16000
Diameter: 16mm
Width: 225mm
Dimmable?: No
Driver Required: No
Ballast Required: Yes
Transformer Required: No

Specification Sheet

Comes with a 16,000 hour manufactures warranty.